def __init__(self, left: bool=False, right: bool=False, up: bool=False, down: bool=False, button1: bool=False, button2: bool=False):
        """
        The default constructor creates an input object with no buttons pressed.

        Arguments:
            left: Move left in most games.
            right: Move right in most games.
            up: Move up in most games.
            down: Move down in most games.
            button1: FIRE or ACTION1 or CONFIRM in most games.
            button2: ACTION2 or CANCEL in most games.
        """
        self.left = left
        """The left button is a directional command to the game from the player."""
        self.right = right
        """The right button is a directional command to the game from the player."""
        self.up = up
        """The up button is a directional command to the game from the player."""
        self.down = down
        """The down button is a directional command to the game from the player."""
        self.button1 = button1
        """Confirm, FIRE, or any other action may be associated with button1."""
        self.button2 = button2
        """Cancel, or any other action may be associated with button2."""

    def __repr__(self):
        """
        Get a string representation of this Input object.
        """
        return self.__dict__.__str__()

    def __str__(self) -> str:
        """
        Get a string representation of this Input object.
        """
        return self.__dict__.__str__()

    def reset(self):
        """
        This method turns all buttons pressed to false.
        """
        self.left = False
        self.right = False
        self.up = False
        self.down = False
        self.button1 = False
        self.button2 = False

    def set_input(self, input_dir: str, button=_NOOP):
        """
        Set the direction and button separately based on strings.
        """
        input_dir = input_dir.lower()
        button = button.lower()

        # reset all directions
        if   input_dir == Input._NOOP:
            pass
        elif input_dir == Input._LEFT:
            self.left = True
        elif input_dir == Input._RIGHT:
            self.right = True
        elif input_dir == Input._UP:
            self.up = True
        elif input_dir == Input._DOWN:
            self.down = True
        else:
            print('input_dir:', input_dir)
            assert False

        # reset buttons
        if button == Input._NOOP:
            pass
        elif button == Input._BUTTON1:
            self.button1 = True
        elif button == Input._BUTTON2:
            self.button2 = True
        else:
            assert False